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Information Name: | HYD intelligent electromagnetic flowmeter |
Published: | 2015-05-09 |
Validity: | 90 |
Specifications: | HYD |
Quantity: | 100.00 |
Price Description: | |
Detailed Product Description: | HYD intelligent electromagnetic flowmeter is I am using all intelligent technology first developed at home and abroad, high-precision, high reliability, and its exciting technology, lining technology, intelligent technology has reached the advanced level. Suitable for measuring acid, alkali, salt solution, slurry pulp, paper pulp, waste water and other conductive medium volume flow, no protruding pieces measuring tube, so no additional pressure loss. Electromagnetic flowmeter in the structure can be divided into two kinds of integrated body and points, a body electromagnetic flow meter is based on the structure of the main sensor, the converter is mounted on the sensor into one; separate type electromagnetic flowmeter sensor and converter to separate structure, the converter can be mounted from within the sensor 200mm place. Converter housing is divided into two chambers inside, to separate the wiring for the electrical part and around. After power converter to provide constant excitation current rectangular wave excitation to the sensor through the cable, when the conductive fluid (measured medium) flows through the sensor, the converter after treatment may display the instantaneous flow rate and total flow, which can converter standard current output signal (4 ~ 20mA or 0 ~ 10mA), the frequency of the signal 0 ~ 5000HZ to be through the communication interface with Modbus, HART, or Profibus protocol communications with the host computer. Main application: Electromagnetic flowmeters are widely used in chemical fiber, food, paper, sugar, mining, water supply, environmental protection, water hydraulic, steel, petroleum, pharmaceutical and other industrial fields. Electromagnetic flow meter is used to measure a variety of acid, alkali, salt solution, slurry, coal water slurry, corn syrup, fiber pulp, grain syrup, lime, sewage, drainage, saline, hydrogen peroxide, beer, wort, drinks black liquor, green liquor and other conductive liquid medium volume flow. Main features: No moving within (1) pipes and blocking components, measuring almost no additional pressure loss; (2) measurements and velocity distribution of physical parameters of fluid pressure, temperature, density, viscosity and the like; (3) high resolution backlit LED display, easy to use, simple, easy to understand; (4) the use of 16-bit embedded microprocessors, computing speed, high precision, programmable low-frequency square wave excitation frequency and improve the stability of flow measurement low power consumption; (5) all-digital processing, anti-interference ability, reliable measurement, high accuracy flow measurement range up to 150: 1; (6) ultra-low EMI switching power supply, the use of a wide range of supply voltage variation; (7 ) has three internal totalizer can show a positive amount and the difference between the cumulative volume totalizer, can not afford to point with internal clock, it can record 16 power-down time; (8) has RS485, RS232, Hart, and Modbus, etc. digital communication signal output; (9) has a self-test and self-diagnostic capabilities. Working principle and structure of electromagnetic flowmeter measurement principle is based on Faraday's law of electromagnetic induction. Measuring tube flowmeter is a non-magnetic metal lined insulating material spool. Two electrode wear through the wall of the pipe diameter direction is fixed on the measuring tube. Its tip flush with the inner surface of the lining. When both the field coil excitation pulse, will produce a magnetic flux density in a direction perpendicular to the axis of the measuring tube a magnetic field B of the work. At this time, if the fluid flowing through the measuring tube has a certain conductivity. Cutting magnetic lines induced electromotive force E. E is proportional to the magnetic flux density B, measuring tube diameter d and average velocity V of the product. Electromotive force E (traffic signal) detected by the electrodes and sent through the cable converter. After transformation will flow signal amplification processing, fluid flow can be displayed, and the output pulse energy, and other analog current signal for controlling and adjusting the flow rate. E = KBdV formula, K, d is a constant, since the field current is constant, so the B is a constant, E = KBdV understood by the volume flow rate Q is proportional to the signal voltage E, i.e., the volume flow rate of the signal voltage E induced Q linear. Therefore, if the measured flow rate can be determined E Q, which is the basic principle of electromagnetic flowmeter. The E = KBdV shows that the measured temperature of the fluid medium, density, pressure, conductivity, liquid-solid two-phase liquid-solid medium composition ratio and other parameters will not affect the measurement results. As long as the flow regime in line with the axis of symmetry flow does not affect the measurement results. So, to say the electromagnetic flowmeter is a true volumetric flow rate. For manufacturers and users, just use plain water after calibration to measure actual volume flow of any other conductive fluid medium, without the need for any amendments. This is an outstanding advantage of electromagnetic flowmeter is any other flowmeters do not have. No measuring tube activity and blocking parts, there is almost no pressure loss, and very high reliability. Flowmeter electromagnetic flowmeter selection electrode material of the electrode material according to the measured fluid corrosive to choose, the following table is the corrosion resistance of different electrode materials capable and suitable media situation. Flowmeter liner material selection electromagnetic flowmeter liner material is measured fluid resistance, abrasion resistance and temperature-dependent. My company flowmeter liner material and the corresponding performance in the following table: AWLD Electromagnetic Flowmeter Flowmeter Placement in order to make stable and reliable electromagnetic flow meter, when selecting the mounting location requires attention to the following aspects: (1) try to avoid the ferromagnetic objects and devices with strong electromagnetic fields (such as large electric motors and transformers, etc.), so as not to affect the magnetic field meter; (2) should be installed in dry and ventilated place, not in humid hydrocephalus Local installation; (3) should try to avoid the sun and rain, to avoid the ambient temperature higher than 60 ℃ and relative humidity greater than 95%; (4) Select easy maintenance, convenient place activities; |
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Copyright © GuangDong ICP No. 10089450, Shenzhen Aotuweier Ltd. All rights reserved.
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You are the 6897 visitor
Copyright © GuangDong ICP No. 10089450, Shenzhen Aotuweier Ltd. All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility